The building's Web site says that as many as twelve thousand people were working on the building at the same time.

VOA: special.2010.03.31

On Earth Day, the artist and building designer Maya Lin will launch a Web site about the Earth's endangered plants and animals.

VOA: special.2010.04.21

The Council explains on its Web site that early tall buildings were generally measured from the ground floor to the top of the building, not including flagpoles.

VOA: special.2010.03.31

In the vote Tuesday, New York's Landmarks Preservation Commission denied landmark status to the 19th century building that now occupies the site of the proposed 13-story, Commissioners ruled that the building, which is not within view of ground zero, lacks distinctive architectural or historic value.

VOA: standard.2010.08.03